8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported): December 6, 2004

Pioneer Companies, Inc.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation) 000-31230
(Commission File Number) 06-1215192
(IRS Employer
Identification No.)

700 Louisiana, Suite 4300, Houston, Texas
(Address of principal executive offices) 77002
(Zip Code)

Registrant’s telephone number, including area code: (713) 570-3200

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨  Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

Press Release - Announcing Closing

Item 8.01 Other Events.

     On December 6, 2004, we issued a press release announcing the closing of the previously announced public offering of 1,100,000 shares of our common stock, which included 100,000 shares sold upon exercise by the underwriter, CRT Capital Group LLC, of its over-allotment option. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

     (c) Exhibits.

Exhibit number	Description
99.1	Press Release Announcing the Closing of Pioneer’s Offering of Common Stock dated December 6, 2004.

SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

PIONEER COMPANIES, INC.
By:	/s/ Kent R. Stephenson
	Kent R. Stephenson
	Vice President, General Counsel and Secretary

Dated: December 6, 2004

Exhibit Index

Exhibit number	Description
99.1	Press Release Announcing the Closing of Pioneer’s Offering of Common Stock dated December 6, 2004.

EX-99.1

700 LOUISIANA STREET
SUITE 4300
HOUSTON, TEXAS 77002 FAX: 713 225-6475
TELEPHONE: 713 570-3200

PRESS RELEASE

Pioneer Announces the

Closing of Common Stock Offering

     Houston, Texas (December 6, 2004) — Pioneer Companies, Inc. (OTC: PONR) announced today the closing of the previously announced public offering of 1,100,000 shares of its common stock, which included 100,000 shares sold upon exercise by the underwriter, CRT Capital Group LLC, of its over-allotment option. Net proceeds to Pioneer from the offering were approximately $22.4 million, after deducting estimated expenses. Pioneer intends to use all of the net proceeds to redeem a portion of its outstanding Senior Secured Floating Rate Guaranteed Notes due 2006 and Senior Floating Rate Term Notes due 2006.

     A copy of the final prospectus relating to the offering may be obtained from CRT Capital Group LLC, Attention: Prospectus Department, 262 Harbor Drive, Stamford, CT 06902. This document has also been filed with the Securities and Exchange Commission and is available over the internet at the SEC website at http://www.sec.gov.

     A registration statement relating to these securities has been filed with the Securities and Exchange Commission and has become effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdiction.

     Pioneer, based in Houston, manufactures chlorine, caustic soda, bleach, hydrochloric acid and related products used in a variety of applications, including water treatment, plastics, pulp and paper, detergents, agricultural chemicals, pharmaceuticals and medical disinfectants. Pioneer owns and operates four chlor-alkali plants and several downstream manufacturing facilities in North America.

Contact:	Gary Pittman
	(713) 570-3200

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